| Section: 9 | Organic dyes and pigments (OD) | Page: 192 | 
IRUG filename: IOD00192  | Data type: Infrared  | IRUG material class: Organic dyes and pigments (OD)  | 
Sample type: Reference material  | Common name(s): Alizarin, Mordant Red 11, Anthraquinone, CI58000  | Chemical/botanical name(s): 1,2-dihydroxyanthraquinone  | 
CAS name: 9,10-Anthracenedione, 1,2-dihydroxy-  | Sample source 1: Philadelphia Museum of Art  | Source location 1: Box 7646, Philadelphia, PA, 19101, US  | 
Color: Red  | MW (relative): 240.21, calculated  | Application: MFTIR (Fourier transform infrared microspectroscopy)  | 
Mode: Tran  | Originating institution name: Philadelphia Museum of Art  | Originating institution acronym: PMA  | 
Molecular formula: C14 H8 O4  | CAS registry no: 72-48-0  | 
IRUG Structure Tracking #: 384 Common Name(s): Alizarin; Mordant Red 11; CI58000 Chemical Name(s): 1,2-Dihydroxyanthraquinone; 1,2-dihydroxyanthracene-9,10-dione CAS Name: 9,10-Anthracenedione, 1,2-dihydroxy- CAS Registry No: 72-48-0 IRUG Material Class: Organic dyes and pigments (OD) Molecular Formula: C14 H8 O4 MW: 240.21  |